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1-Mt/a Minimill for Estructurales Corsa, Mexico
Mar 27, 2008
Danieli will supply a new complete 1-million-t/a minimill to Estructurales Corsa, a joint venture between Gerdau, Brazil and Aceros Corsa, Mexico. The complete minimill for medium size long products will be made up of:
- 1-Mt/a steelmaking and conticasting plant for billets, blooms and beam blanks;
- 800,000-t/a medium section mill for production of up to 24" beams and large-size profiles.
The meltshop will feature a 180-t EAF equipped with the Consteel system (thanks to the exclusive agreement between Danieli and Tenova on this technology) and designed to operate on a 100% scrap charge basis. The EAF will also be equipped with multiple-point oxygen and carbon injectors, provided with a fully independent valve-regulation system for each injection unit. The melting and refining plant will also include a ladle furnace, material handling system and fume treatment plant designed to serve both melting and refining units.
The 5-strand, 10-m radius super flexible beam-blank conticaster, designed for productivities of over 200-tph, will be equipped with hydraulic oscillators and will be connected with the rolling mill for hot charging purposes. The process and operation results will be achieved thanks to a Danieli level 1 and level 2 full automation system which will fully guarantee automatic process setting and control for the new meltshop.
The medium section mill will be based on the PSP-Profile Sizing Process, the latest Danieli innovation. Located after a reversing breakdown stand, the PSP reversing intermediate and finishing sizing line will be made up of four SCC (Stand Core Concept) super-heavy duty universal rolling stands, with automatic fast changing of rolls and guides package. Mill's finishing end includes cooling bed, on-line jumbo-size straightener, cutting-to-length, automatic stacking and collecting facilities.
Product range will be 4" to 24" wide flange beams, 4" to 8" standard beams, 8" to 10" channels, 4" to 8" angles and 7" to 12" flats. Danieli Centro Combustion will supply the 180-t/h walking-beam type reheating furnace. All electricals and an advanced automation system for the whole minimill will be from Danieli Automation.
Startup of the new minimill is scheduled for early 2010.
In addition, make sure to read these articles:
1-Mt/a Minimill for Estructurales Corsa, Mexico
Gerdau Açominas Ouro Branco order 230 t ladle furnace and auxiliaries
Gerdau Açominas purchases a combination bloom/beam blank caster
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